Klein & Hubert / Fat / Edible dormouse (Glis glis) on branch of flowering apple tree in spring, France. Controlled conditions

Nick Upton / Male Thick-legged flower beetle (Oedemera nobilis), with a Pyramidal orchid (Anacamptis pyramidalis) pollinium attached to its head, nectaring on Common hogweed flowers (Heracleum sphondylium), Wiltsh...

Lucas Bustamante / Palm oil crops and deforestation in the Ecuadorian Choco, Esmeraldas, Ecuador

Jiri Lochman / Fat-tailed dunnart (Sminthopsis crassicaudata) Goongarrie NP, Goldfields Region, Western Australia.

Jiri Lochman / Fat-tailed pseudantechinus (Pseudantechinus macdonnellensis) Picture Hill area, in Great Sandy Desert, Western Australia .

Marie Lochman / Fat-tailed dunnart (Sminthopsis crassicaudata) Goongarrie NP in Goldfields Region of Western Australia.

Edwin Giesbers / RF - European hamster (Cricetus cricetus) with cheek pouches full, Austria. (This image may be licensed either as rights managed or royalty free.)

Jabruson Motion / Chainsaw operator cutting down African oil palm ( Elaeis guineensis) in a plantation within the Protected Area of the Leuseur Ecosystem, part of a programme of habitat restoration, Tenggulun, Aceh Tam...

Alex Mustard / Colourful reef scene with Coral grouper (Cephalopholis miniata), map puffer (Arothron mappa) and Panda butterflyfish (Chaetodon adiergastos). Tank Reef, Fiabacet Islands, Misool, Raja Ampat, Indonesia...

Chris Mattison / Horned frog (Ceratophrys sp) in shallow water, captive occurs in South America.

Klein & Hubert / Chinstrap penguin (Pygoscelis antarcticus) walking with full belly and iceberg in background, Antarctica

Klein & Hubert / Chinstrap penguin (Pygoscelis antarcticus) walking with full belly at sunset, Antarctica

Ann & Steve Toon / Black hairy thicktailed scorpion (Parabuthus villosus), Namib Desert, Namibia, April

Jabruson / Old abandoned Oil Palm trees (Elaeis guineensis), on the edge of plantation limits, at the edge of Korup National Park, South West Cameroon.

Alex Mustard / 2020VISION / Female Grey seal (Halichoerus grypus) juvenile swimming over kelp, off Farne Islands, Northumberland, England, UK, July. Did you know? Grey seal milk is 60% fat and although they are fed milk for just...

Kerstin Hinze / Fat / Edible dormouse (Glis glis) Lower Saxony, Germany, captive

Stephen Dalton / Horned frog (Ceratophrys ornata) sitting on leaves, controlled conditions, from South America

Christophe Courteau / Mountain Gorilla (Gorilla beringei) dominant male silver back sitting amongst vegetation. 2700 metres above sea level in Volcanoes National Park, Rwanda. short dry season, February

Rolf Nussbaumer / Fat dormouse in bird nestbox {Glis glis} Switzerland.

Ingo Arndt / Fat dormouse in flowering tree {Glis glis} Germany

Ingo Arndt / Fat dormouse in oak tree {Glis glis} Germany

Jean E. Roche / Fat dormouse teeth {Glis glis} France

Anup Shah / Common zebra about to give birth (Equus quagga) Masai Mara NR, Kenya

Yva Momatiuk & John Eastcott / Southern Elephant Seal (Mirounga leonina) pups, fat and docile weaners stay together for company and reassurance, St. Andrews Bay, South Georgia Island

Mitsuaki Iwago / Harp Seal (Phoca groenlandicus) pup portrait, Gulf of St Lawrence, Canada

Nick Garbutt / Fat-tailed dwarf lemur (Cheirogaleus medius). Kirindy forests, west Madagascar.

Ashley Cooper / Long tailed tit (Aegithalos caudatus) flock feeding on fat balls in garden bird feeder, in snow. Ambleside, Lake District National Park, England, UK. February 2020

Sirachai Arunrugstitchai / Starry puffer (Arothron stellatus) is seen floating at the surface after being discarded as bycatch from a commercial purse seiner, Andaman Sea, Thailand, Krabi Province, Thailand, December 2015.

Neil Challis / Male Thick-legged flower beetle (Oedemera nobilis) feeding on bramble flowers, Finemere Wood, Buckinghamshire, UK, July.

Neil Challis / Male Thick-legged flower beetle (Oedemera nobilis) feeding on bramble flowers, Finemere Wood, Buckinghamshire, UK, July.

Neil Challis / Female Thick-legged flower beetle (Oedemera nobilis) feeding on field rose (Rosa avensis) flower, Finemere Wood, Buckinghamshire, UK, June.

Georgette Douwma / Juvenile map puffer (Arothron mappa). Lembeh Strait, North Sulawesi, Indonesia.

Nigel Cattlin / Swollen-thighed / Thick-legged flower beetle (Oedemera nobilis) adult male beetle on red flower of a long-headed poppy (Papaver dubium)

Nigel Cattlin / Swollen-thighed or thick-legged flower beetle (Oedemera nobilis) adult male beetle on red flower of a long-headed poppy (Papaver dubium)

Nigel Cattlin / Swollen-thighed / Thick-legged flower beetle (Oedemera nobilis) adult male beetle on yellow and white flower of am ox-eye daisy

John Cancalosi / Bark scorpion (Centruroides exilicauda), close-up of telson / stinger, Arizona, USA, July.

Brandon Cole / Guineafowl puffer (Arothron meleagris), changing colour between black and golden phases. Baja, Mexico, Pacific Ocean.

Tony Wu / A mature male Fat greenling (Hexagrammos otakii) or Ainame fish tending to eggs in his territory, Hokkaido, Japan. October.

Tony Wu / A mature male Fat greenling (Hexagrammos otakii) or Ainame fish tending to eggs in his territory, Hokkaido, Japan. October.

Tony Wu / A mature male Fat greenling (Hexagrammos otakii) or Ainame fish tending to eggs in his territory, Hokkaido, Japan. October.

Tony Wu / A mature male Fat greenling (Hexagrammos otakii) or Ainame fish tending to eggs in his territory, Hokkaido, Japan. October.

Tony Wu / Newly-spawned eggs of Fat greenling / Ainame (Hexagrammos otakii) fish, Hokkaido, Japan. Each egg measures around 3mm. Photographed at a magnification of 4x life-size.

Tony Wu / Newly-spawned eggs of Fat greenling / Ainame (Hexagrammos otakii) fish, Hokkaido, Japan. Each egg measures around 3mm. Photographed at a magnification of 4x life-size. The juvenile fish are developed...

Linda Pitkin / Fat-hen plant (Chenopodium album), growing wild in an allotment. Great Bookham, Surrey, England, August.

Linda Pitkin / Pyramidal orchid (Anacamptis pyramidalis), rare white variety, with Thick legged flower beetle (Oedemera nobilis) Albury Downs, Surrey, England, June.

Klein & Hubert / Fat / Edible dormouse (Glis glis) on a mossy branch in flowering quince tree in spring, France. Controlled conditions

Klein & Hubert / Fat / Edible dormouse (Glis glis) on a mossy branch in flowering quince tree in spring, France. Controlled conditions

Klein & Hubert / Fat / Edible dormouse (Glis glis) on a mossy branch in flowering quince tree in spring, France. Controlled conditions